<!DOCTYPE html>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <meta charset="UTF-8">
    <title>后台管理-登陆</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        #code {
            width: 80px;
            height: 30px;
            font-size: 18px;
            line-height: 30px;
            text-align: center;
            color: #333;
            border: 1px solid #b6b6b6;
            margin: 2px auto;
            cursor: pointer;
        }
    </style>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta http-equiv="Access-Control-Allow-Origin" content="*">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="format-detection" content="telephone=no">
    <link rel="stylesheet" href="static/ls/layui-v2.6.3/css/layui.css" media="all">
    <!--[if lt IE 9]>
    <script src="https://cdn.staticfile.org/html5shiv/r29/html5.min.js"></script>
    <script src="https://cdn.staticfile.org/respond.js/1.4.2/respond.min.js"></script>
    <![endif]-->
    <style>
        html, body {
            width: 100%;
            height: 100%;
            overflow: hidden
        }
        body {
            background: #1E9FFF;
        }
        body:after {
            content: '';
            background-repeat: no-repeat;
            background-size: cover;
            -webkit-filter: blur(3px);
            -moz-filter: blur(3px);
            -o-filter: blur(3px);
            -ms-filter: blur(3px);
            filter: blur(3px);
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: -1;
        }
        .layui-container {
            width: 100%;
            height: 100%;
            overflow: hidden
        }
        .admin-login-background {
            width: 360px;
            height: 300px;
            position: absolute;
            left: 50%;
            top: 40%;
            margin-left: -180px;
            margin-top: -100px;
        }

        .logo-title {
            text-align: center;
            letter-spacing: 2px;
            padding: 14px 0;
        }

        .logo-title h1 {
            color: #1E9FFF;
            font-size: 25px;
            font-weight: bold;
        }

        .login-form {
            background-color: #fff;
            border: 1px solid #fff;
            border-radius: 3px;
            padding: 14px 20px;
            box-shadow: 0 0 8px #eeeeee;
        }

        .login-form .layui-form-item {
            position: relative;
        }

        .login-form .layui-form-item label {
            position: absolute;
            left: 1px;
            top: 1px;
            width: 38px;
            line-height: 36px;
            text-align: center;
            color: #d2d2d2;
        }

        .login-form .layui-form-item input {
            padding-left: 36px;
        }

        .captcha {
            width: 60%;
            display: inline-block;
        }

        .captcha-img {
            display: inline-block;
            width: 34%;
            float: right;
        }

        .captcha-img img {
            height: 34px;
            border: 1px solid #e6e6e6;
            height: 36px;
            width: 100%;
        }

        #tup {
            border: 1px cornsilk;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            position: fixed;
            top: 120px;
            left: 620px;
            box-shadow: 0 0 8px #eeeeee;
            background-color: white;
        }
      #tup img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            margin: 4px 5px;
        }
        #box img {
            position: absolute;
            top: 7px;
            right: 4px;
            width: 30px;
            height: 30px;
        }
    </style>
</head>
<body>
<div class="layui-container">
    <div class="admin-login-background">
        <div id="tup">
            <img src="static/img/初始化.png" id="IMG">
        </div>
        <div class="layui-form login-form">
            <form class="layui-form" action="">
                <div class="layui-form-item logo-title">
                </div>
                <div class="layui-form-item">
                    <label class="layui-icon layui-icon-username"></label>
                    <input type="text" name="username" lay-verify="required|account" placeholder="请输入用户名"
                           autocomplete="off" class="layui-input" value="" id="yh">
                </div>
                <div class="layui-form-item" id="box">
                    <label class="layui-icon layui-icon-password"></label>
                    <lable><img src="static/img/眼睛闭上.gif" alt="" id="eye"></lable>
                    <input type="password" name="password" lay-verify="required|password" placeholder="请输入密码"
                           autocomplete="off" class="layui-input" value="" id="pwd">
                </div>
                <div class="layui-form-item">
                    <label class="layui-icon layui-icon-vercode"></label>
                    <input type="text" name="captcha" lay-verify="required|captcha" placeholder="验证码" autocomplete="off"
                           id="yzm" class="layui-input verification captcha" value="">
                    <div class="captcha-img">
                        <div id="code"></div>
                    </div>
                </div>
                <div class="layui-form-item">
                    <button class="layui-btn layui-btn layui-btn-normal layui-btn-fluid" lay-submit=""
                            lay-filter="login">登 入
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>
<script src="static/ls/jquery-3.4.1/jquery-3.4.1.min.js" charset="utf-8"></script>
<script src="static/ls/layui-v2.6.3/layui.js" charset="utf-8"></script>
<script src="static/ls/jq-module/jquery.particleground.min.js" charset="utf-8"></script>
<script type="text/javascript">
    //验证码
    var codeStr = 'abcdefghjkmnopqrstuvwxyzABCDEFGHJKLMNOPQRSTUVWXYZ0123456789';
    var oDiv = document.getElementById('code');
    // 用来生成随机整数
    function getRandom(n, m) { // param: (Number, Number)
        n = Number(n);
        m = Number(m);
        // 确保 m 始终大于 n
        if (n > m) {
            var temp = n;
            n = m;
            m = temp;
        }
        return Math.floor(Math.random() * (m - n) + n);
    }

    // 将随机生成的整数下标对应的字母放入div中
    function getCode() {
        var str = '';
        // 验证码有几位就循环几次
        for (var i = 0; i < 4; i++) {
            var ran = getRandom(0, 59);
            str += codeStr.charAt(ran);
        }
        oDiv.innerHTML = str;
    }

    getCode();// 调用函数，页面刷新也会刷新验证码
    // 点击刷新验证码
    oDiv.onclick = function () {
        getCode();
    }


    layui.use(['form', 'layer'], function () {
        var form = layui.form,
            layer = layui.layer;
        $(function () {
            $("input[id=yh]").blur(function () {
                var value = $(this).val();
                $.ajax({
                    "url": "gly?opr=ctx&name=" + value,
                    "success": function (date) {
                        var src = document.getElementById('IMG');
                        if (date == "null" || date == null) {
                          return src.src = "static/img/初始化.png";
                        } else {
                            sessionStorage.obj =date.replaceAll("\"", "");
                           return src.src = date.replaceAll("\"", "");//去掉String类型自带的双引号
                        }
                    }
                })
            })
        })
        // 登录过期的时候，跳出ifram框架
        if (top.location != self.location) top.location = self.location;

        // 粒子线条背景
        $(document).ready(function () {
            $('.layui-container').particleground({
                dotColor: '#7ec7fd',
                lineColor: '#7ec7fd'
            });
        });
        // 进行登录操作
        form.on('submit(login)', function (data) {
            data = data.field;
            var yzm = document.getElementById("yzm").value;
            if (data.username == '') {
                return layer.msg('用户名不能为空');
            } else if (data.password == '') {
                return layer.msg('密码不能为空');
            } else if (yzm != oDiv.innerHTML) {
                getCode();
                alert("验证码错误");
                document.getElementById("yzm").value="";
                return false;
            }else {
                $.ajax({
                    "url": "gly?opr=dl",
                    "dataType": 'text',
                    "type": 'post',
                    "data": {name: data.username, password: data.password},
                    async: false,
                    "success": function (date) {
                        if (date == "true") {
                            sessionStorage.obs =data.username.replaceAll("\"", "");
                            let b=sessionStorage.obs;
                            let a=b.replace(/\"/g, "");
                            $.ajax({
                                "url": "gly?opr=loginlogs",
                                "data": {name:a}
                            })
                            window.location.replace('index.jsp');
                        } else {
                            document.getElementById("yzm").value = "";
                            layer.msg('账号密码异常', {icon: 2, time: 1000});
                            getCode();
                        }
                    }
                });
            }
            return false;
        });
    });


    // 1.获取元素
    var eye = document.getElementById('eye');
    var pwd = document.getElementById('pwd');
    // 2.注册事件 处理程序
    var flag = 0;
    eye.onclick = function() {
        // 点击一次之后，flag一定要变化
        if (flag == 0) {
            pwd.type = 'text';
            eye.src = 'static/img/眼睛睁开.gif';
            flag = 1; //赋值操作
        } else {
            pwd.type = 'password';
            eye.src = 'static/img/眼睛闭上.gif';
            flag = 0;
        }
    }
</script>
</body>
</html>